Bui. 68, Bureau of Entomology, U, S. Dept, of Agricultur 



Plate IX. 



Vines Injured by Grape Root-worm Compared with Uninjured Vines. 



Fig. 1.— Youns vines nlniost niinod by feeriinf? of frrape root-worm upon their roots. 

 Kig. -l.—X norniiilly thrifty vineyard at North East, Pa., uninfested bv grape root- 

 worm. (Original.) 



